Authors
Serguei Chatrchyan, Vardan Khachatryan, Albert M Sirunyan, Armen Tumasyan, Wolfgang Adam, Thomas Bergauer, Marko Dragicevic, Janos Erö, Christian Fabjan, Markus Friedl, Rudolf Fruehwirth, Vasile Mihai Ghete, Christian Hartl, Natascha Hörmann, Josef Hrubec, Manfred Jeitler, Wolfgang Kiesenhofer, Valentin Knünz, Manfred Krammer, Ilse Krätschmer, Dietrich Liko, Ivan Mikulec, Dinyar Rabady, Babak Rahbaran, Herbert Rohringer, Robert Schöfbeck, Josef Strauss, Anton Taurok, Wolfgang Treberer-Treberspurg, Wolfgang Waltenberger, C-E Wulz, N Shumeiko, S Alderweireldt, M Bansal, S Bansal, T Cornelis, EA De Wolf, X Janssen, A Knutsson, S Luyckx, S Ochesanu, B Roland, R Rougny, H Van Haevermaet, P Van Mechelen, A Van Spilbeeck, F Blekman, S Blyweert, J D’Hondt, N Heracleous, A Kalogeropoulos, J Keaveney, TJ Kim, S Lowette, M Maes, A Olbrechts, D Strom, S Tavernier, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, C Caillol, B Clerbaux, G De Lentdecker, L Favart, APR Gay, A Léonard, PE Marage, A Mohammadi, L Perniè, T Reis, T Seva, L Thomas, C Vander Velde, P Vanlaer, J Wang, V Adler, K Beernaert, L Benucci, A Cimmino, S Costantini, S Crucy, S Dildick, G Garcia, B Klein, J Lellouch, J Mccartin, AA Ocampo Rios, D Ryckbosch, S Salva Diblen, M Sigamani, N Strobbe, F Thyssen, M Tytgat, S Walsh, E Yazgan, N Zaganidis, S Basegmez, C Beluffi, G Bruno, R Castello, A Caudron, L Ceard, GG Da Silveira, C Delaere, T Du Pree, D Favart, L Forthomme, A Giammanco, J Hollar, P Jez, M Komm, V Lemaitre, J Liao, O Militaru, C Nuttens, Davide Pagano, L Perrini, Arnaud Pin, Krzysztof Piotrzkowski, Andrey Popov, Loic Quertenmont, Michele Selvaggi, Miguel Vidal Marono, Nikita Beliy, Thierry Caebergs, Evelyne Daubie, Gregory Habib Hammad, GA Alves, Marcos Correa Martins Junior, T Martins, Maria Elena Pol, MHG Souza, Walter Luiz Aldá Júnior, Wagner Carvalho, Jose Chinellato, Analu Custódio, EM Da Costa, Dilson De Jesus Damiao, Carley De Oliveira Martins, Sandro Fonseca De Souza, Helena Malbouisson, Magdalena Malek, Diego Matos Figueiredo, Luiz Mundim, Helio Nogima, Wanda Lucia Prado Da Silva, Javier Santaolalla, Alberto Santoro
Publication date
2014/5
Journal
Journal of High Energy Physics
Volume
2014
Issue
5
Pages
1-72
Publisher
Springer Berlin Heidelberg
Description
A search for a standard model Higgs boson decaying into a pair of τ leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9 fb− 1 at a centre-of-mass energy of 7 TeV and 19.7 fb− 1 at 8 TeV. Each τ lepton decays hadronically or leptonically to an electron or a muon, leading to six different final states for the τ-lepton pair, all considered in this analysis. An excess of events is observed over the expected background contributions, with a local significance larger than 3 standard deviations for m H values between 115 and 130 GeV. The best fit of the observed H→ τ τ signal cross section times branching fraction for m H= 125 GeV is 0. 78±0. 27 times the standard model expectation. These observations constitute evidence for the 125 GeV Higgs boson decaying to a pair of τ leptons.
Total citations
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